[open-ils-commits] [GIT] Evergreen ILS branch master updated. fd70fb824fd606ee8b2d1d2870f89e5c117f9e60

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- Log -----------------------------------------------------------------
commit fd70fb824fd606ee8b2d1d2870f89e5c117f9e60
Author: Mike Rylander <mrylander at gmail.com>
Date:   Wed Sep 14 15:43:55 2011 -0400

    Make sure we only render the most recent request to the canvas, so a laggy network does not cause double rendering or stale display
    
    Signed-off-by: Mike Rylander <mrylander at gmail.com>

diff --git a/Open-ILS/web/js/dojo/openils/BibTemplate.js b/Open-ILS/web/js/dojo/openils/BibTemplate.js
index 5941388..8c81447 100644
--- a/Open-ILS/web/js/dojo/openils/BibTemplate.js
+++ b/Open-ILS/web/js/dojo/openils/BibTemplate.js
@@ -242,6 +242,7 @@ if(!dojo._hasResource["openils.BibTemplate"]) {
 
         constructor : function(kwargs) {
             this.place = kwargs.place;
+            this.empty = kwargs.empty;
             this.root = kwargs.root;
             this.xml = kwargs.xml;
             this.feed_uri = kwargs.uri;
@@ -253,19 +254,30 @@ if(!dojo._hasResource["openils.BibTemplate"]) {
             this.relativePosition = 'last';
             if (this.reverseSort) this.relativePosition = 'first';
 
+            this.horizon = new Date().getTime();
+            var horiz = parseInt(this.root.getAttribute('horizon'));
+
+            if (isNaN(horiz) || this.horizon >= horiz) 
+                this.root.setAttribute('horizon', this.horizon);
+
             if (this.nodelay) this.render();
         },
 
         render : function () {
             var me = this;
+
             var process_feed = function (xmldoc) {
-                dojo.query( me.item_query, xmldoc ).forEach(
-                    function (item) {
-                        var template = me.root.cloneNode(true);
-                        dojo.place( template, me.place, me.relativePosition );
-                        new openils.BibTemplate({ delay : false, xml : item, root : template });
-                    }
-                );
+		if (parseInt(me.horizon) >= parseInt(me.root.getAttribute('horizon'))) {
+                    if (me.empty == true) dojo.empty(me.place);
+                    me.root.setAttribute('horizon', this.horizon);
+                    dojo.query( me.item_query, xmldoc ).forEach(
+                        function (item) {
+                            var template = me.root.cloneNode(true);
+                            dojo.place( template, me.place, me.relativePosition );
+                            new openils.BibTemplate({ delay : false, xml : item, root : template });
+                        }
+                    );
+                }
             };
 
             if (this.xml) {

-----------------------------------------------------------------------

Summary of changes:
 Open-ILS/web/js/dojo/openils/BibTemplate.js |   26 +++++++++++++++++++-------
 1 files changed, 19 insertions(+), 7 deletions(-)


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